package 继承;

public class Circle {
       private double radius;

    public double getRadius() {
        return radius;
    }

    public void setRadius(double radius) {
        this.radius = radius;
    }

    public Circle(){
        radius=1;
    }

    public Circle(double radius){

    }

    public double findArea(){
        double Area = radius*radius*3.14;
        return Area;
    }
}
